15978053

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2473}}^1$

素因数の和:2564

約数の個数: 16

約数和(自身を含む): 19950336

約数和(自身を除く): 3972283

約数列:

[1, 7, 13, 71, 91, 497, 923, 2473, 6461, 17311, 32149, 175583, 225043, 1229081, 2282579, 15978053]

約数ペア:

[(1, 15978053), (7, 2282579), (13, 1229081), (71, 225043), (91, 175583), (497, 32149), (923, 17311), (2473, 6461)]